{"api_version":"1","generated_at":"2026-09-19T07:47:16+00:00","cve":"CVE-2026-10747","urls":{"html":"https://cve.report/CVE-2026-10747","api":"https://cve.report/api/cve/CVE-2026-10747.json","docs":"https://cve.report/api","cve_org":"https://www.cve.org/CVERecord?id=CVE-2026-10747","nvd":"https://nvd.nist.gov/vuln/detail/CVE-2026-10747"},"summary":{"title":"IBM MQ Appliance is affected by a heap buffer overflow vulnerability in protocol message processing","description":"IBM MQ Appliance could allow a remote attacker to cause a denial of service or potentially execute arbitrary code due to a heap buffer overflow in protocol message processing before authentication.","state":"PUBLISHED","assigner":"ibm","published_at":"2026-09-18 16:17:04","updated_at":"2026-09-19 04:17:50"},"problem_types":["CWE-122","CWE-122 CWE-122 Heap-based Buffer Overflow"],"metrics":[{"version":"3.1","source":"psirt@us.ibm.com","type":"Secondary","score":"10","severity":"CRITICAL","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H","data":{"version":"3.1","vectorString":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H","baseScore":10,"baseSeverity":"CRITICAL","attackVector":"NETWORK","attackComplexity":"LOW","privilegesRequired":"NONE","userInteraction":"NONE","scope":"CHANGED","confidentialityImpact":"HIGH","integrityImpact":"HIGH","availabilityImpact":"HIGH"}},{"version":"3.1","source":"CNA","type":"CVSS","score":"10","severity":"CRITICAL","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H","data":{"attackComplexity":"LOW","attackVector":"NETWORK","availabilityImpact":"HIGH","baseScore":10,"baseSeverity":"CRITICAL","confidentialityImpact":"HIGH","integrityImpact":"HIGH","privilegesRequired":"NONE","scope":"CHANGED","userInteraction":"NONE","vectorString":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H","version":"3.1"}}],"references":[{"url":"https://www.ibm.com/support/pages/node/7284690","name":"https://www.ibm.com/support/pages/node/7284690","refsource":"psirt@us.ibm.com","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://www.cve.org/CVERecord?id=CVE-2026-10747","name":"CVE Program record","refsource":"CVE.ORG","tags":["canonical"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-10747","name":"NVD vulnerability detail","refsource":"NVD","tags":["canonical","analysis"]}],"affected":[{"source":"CNA","vendor":"IBM","product":"MQ Appliance","version":"affected 9.4 LTS 9.4.0.0 to 9.4.0.25 custom","platforms":[]},{"source":"CNA","vendor":"IBM","product":"MQ Appliance","version":"affected 9.4 CD 9.4.1.0 to 9.4.5.2 custom","platforms":[]},{"source":"CNA","vendor":"IBM","product":"MQ Appliance","version":"affected 10.0.0.0 10.0.0.1 only semver","platforms":[]}],"timeline":[],"solutions":[{"source":"CNA","title":"","value":"This vulnerability is addressed under APAR DT472411\n\n\n\nIBM strongly recommends addressing the vulnerability now.\n\n\n\nIBM MQ Appliance version 9.4 LTS\nApply  IBM MQ Appliance fix pack 9.4.0.26 https://www.ibm.com/support/fixcentral/swg/selectFixes , or later firmware.\n\n\n\nIBM MQ Appliance version 9.4 CD - 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M2003</strong><br/>Upgrade to <a href=\"https://www.ibm.com/support/fixcentral/swg/selectFixes?parent=ibm~WebSphere&amp;product=ibm/WebSphere/IBM+MQ+Appliance+M2000&amp;function=fixId&amp;fixids=10.0.0.5-IBM-MQ-Appliance+&amp;includeSupersedes=1\" rel=\"nofollow\">IBM MQ Appliance 10.0.0.5</a>, or later firmware.</p><p><strong>IBM MQ Appliance version 9.4 CD - M2002</strong><br/>Apply <a href=\"https://www.ibm.com/support/fixcentral/swg/selectFixes?parent=ibm~WebSphere&amp;product=ibm/WebSphere/IBM+MQ+Appliance+M2000&amp;function=fixId&amp;fixids=9.4.5.3-IBM-MQ-Appliance+&amp;includeSupersedes=1\" rel=\"nofollow\">IBM MQ Appliance cumulative security update 9.4.5.3</a>, or later firmware.</p><p><strong>IBM MQ Appliance version 10 LTS</strong><br/>Apply <a href=\"https://www.ibm.com/support/fixcentral/swg/selectFixes?parent=ibm~WebSphere&amp;product=ibm/WebSphere/IBM+MQ+Appliance+M2000&amp;function=fixId&amp;fixids=10.0.0.5-IBM-MQ-Appliance+&amp;includeSupersedes=1\" rel=\"nofollow\">IBM MQ Appliance fix pack 10.0.0.5</a>, or later firmware.</p>"}],"value":"This vulnerability is addressed under APAR DT472411\n\n\n\nIBM strongly recommends addressing the vulnerability now.\n\n\n\nIBM MQ Appliance version 9.4 LTS\nApply  IBM MQ Appliance fix pack 9.4.0.26 https://www.ibm.com/support/fixcentral/swg/selectFixes , or later firmware.\n\n\n\nIBM MQ Appliance version 9.4 CD - 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